Aug 02 06:17:34.299 INFO checking jmespath-0.2.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 06:17:34.300 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:17:34.300 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:17:34.300 INFO running `"docker" "create" "-v" "/tmp/crater.CvQU7KUBz6br:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2+tmplazy:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 06:17:34.547 INFO blam! 85cdaecf2609b6239428e8ec6d67cf1b40333bd198619b5bc30761c80b33b84b
Aug 02 06:17:34.549 INFO running `"docker" "start" "-a" "85cdaecf2609b6239428e8ec6d67cf1b40333bd198619b5bc30761c80b33b84b"`
Aug 02 06:17:35.848 INFO kablam!    Compiling jmespath v0.2.0 (file:///source)
Aug 02 06:17:46.862 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 06:17:46.863 INFO kablam!  --> benches/generated.rs:4:1
Aug 02 06:17:46.863 INFO kablam!   |
Aug 02 06:17:46.863 INFO kablam! 4 | #![feature(test)]
Aug 02 06:17:46.863 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 06:17:46.863 INFO kablam! 
Aug 02 06:17:46.863 INFO kablam! error: aborting due to previous error
Aug 02 06:17:46.863 INFO kablam! 
Aug 02 06:17:46.863 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 06:17:46.865 INFO kablam! error: Could not compile `jmespath`.
Aug 02 06:17:46.866 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 06:17:50.962 INFO kablam! error: build failed
Aug 02 06:17:50.968 INFO kablam! su: No module specific data is present
Aug 02 06:17:51.576 INFO running `"docker" "rm" "-f" "85cdaecf2609b6239428e8ec6d67cf1b40333bd198619b5bc30761c80b33b84b"`
Aug 02 06:17:51.728 INFO blam! 85cdaecf2609b6239428e8ec6d67cf1b40333bd198619b5bc30761c80b33b84b